CN103241362A - Attahment devices for rotorcraft front windshield - Google Patents

Attahment devices for rotorcraft front windshield Download PDF

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Publication number
CN103241362A
CN103241362A CN201310051378XA CN201310051378A CN103241362A CN 103241362 A CN103241362 A CN 103241362A CN 201310051378X A CN201310051378X A CN 201310051378XA CN 201310051378 A CN201310051378 A CN 201310051378A CN 103241362 A CN103241362 A CN 103241362A
Authority
CN
China
Prior art keywords
windscreen
opening
attachment arrangement
fastener part
elastic load
Prior art date
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Granted
Application number
CN201310051378XA
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Chinese (zh)
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CN103241362B (en
Inventor
威廉·A·阿曼特
卡尔·A·梅
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Bell Helicopter Textron Inc
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Bell Helicopter Textron Inc
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Publication date
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Publication of CN103241362A publication Critical patent/CN103241362A/en
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Publication of CN103241362B publication Critical patent/CN103241362B/en
Expired - Fee Related legal-status Critical Current
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B61RAILWAYS
    • B61CLOCOMOTIVES; MOTOR RAILCARS
    • B61C1/00Steam locomotives or railcars
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C1/00Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C1/00Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/14Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
    • B64C1/1476Canopies; Windscreens or similar transparent elements
    • B64C1/1492Structure and mounting of the transparent elements in the window or windscreen
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/04Helicopters
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64UUNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00Type of UAV
    • B64U10/10Rotorcrafts
    • B64U10/17Helicopters

Abstract

The present invention relates to a windshield attachment device for coupling a windshield to a body, including a fastener portion, a bolt, and an elastomeric load isolator. The fastener portion has an opening therethrough. The bolt is configured to extend through the opening of the fastener portion and couple the fastener portion to the body. The elastomeric load isolator surrounds at least a portion of the fastener portion and separating the fastener portion from the windshield.

Description

The attachment arrangement that is used for the rotor craft front windshield
Related application
According to 35U.S.C. § 119(e), that the application requires to submit on February 10th, 2012, be entitled as " HELICOPTER FRONT WINDSHIELDS(helicopter front windshield) ", sequence number is No.61/633, the preceence of 410 U.S. Provisional Patent Application.Sequence number is No.61/633, and 410 U.S. Provisional Patent Application is incorporated into herein in this mode with reference.
Technical field
The present invention relates in general to the aircraft windscreen, and more specifically, relates to the attachment arrangement for the rotor craft front windshield.
Background technology
Rotor craft can comprise one or more rotor systems.One of the rotor craft rotor system is exemplified as main rotor system.Main rotor system can produce the aerodynamic lift that supports the weight that is in aloft rotor craft, and resists aerodynamic drag and make rotor craft move the thrust of flight forward.Another of rotor craft rotor system is exemplified as the tail rotor system.The tail rotor system can produce the torque that is produced by main rotor system with opposing along the thrust of the direction identical with the hand of rotation of main rotor system.
Rotor craft can comprise a plurality of windows.Some windows in these windows can make the aviator see the outside of rotor craft.Two examples of rotor craft window can comprise front windshield and underlying window.When near operation rotor craft ground, the underlying window can make the aviator see the part that is close in rotor craft on ground.
Summary of the invention
Specific implementations of the present invention can provide one or more technological merits.The technological merit of an embodiment can comprise the ability of removing the underlying window from conventional rotor craft.The technological merit of an embodiment can comprise the ability that improves aviator's observability.When can being included in fragmentation, improves the technological merit of an embodiment ability of safety.The technological merit of an embodiment can comprise avoids the protective capability that bird is hit.
Some embodiment of the present invention can comprise that several, all above-mentioned advantages or the above-mentioned advantage in the above-mentioned advantage do not have yet.By accompanying drawing, specification sheets and the claim that is included in this, one or more other technological merits are extremely tangible to those skilled in the art.
Description of drawings
For the more fully understanding to the present invention and feature and advantage thereof is provided, with reference to the following description of doing by reference to the accompanying drawings, wherein:
Fig. 1 shows the rotor craft according to an illustrative embodiments;
Fig. 2 A shows the block diagram according to the nose of the rotor craft of Fig. 1 of an illustrative embodiments;
Fig. 2 B shows the lateral plan of the nose of Fig. 2 A;
Fig. 2 C shows the front elevation of the nose of Fig. 2 A;
Fig. 2 D shows the birds-eye view of the nose of Fig. 2 A;
Fig. 3 shows the two-dimentional straight line visual field figure according to the shape of the windscreen of Fig. 2 A to Fig. 2 D of an illustrative embodiments;
Fig. 4 A shows the assembling side elevation of attachment arrangement that windscreen with Fig. 3 is attached to the rotor craft of Fig. 1 that is used for according to an illustrative embodiments;
Fig. 4 B shows the assembling birds-eye view of the attachment arrangement 400 of Fig. 4 A;
Fig. 4 C shows the cross-sectional side view of the attachment arrangement 400 of Fig. 4 A;
Fig. 4 D shows the lateral plan of taking apart of the attachment arrangement 400 of Fig. 4 A;
Fig. 5 A, 5B and Fig. 5 C show according to the attachment arrangement 400 in the opening that is installed in windscreen 200 500 of an illustrative embodiments.Fig. 5 A shows the block diagram of windscreen 200, and Fig. 5 B shows the detail perspective view of the attachment arrangement 400 that is installed in the opening 500, and Fig. 5 C shows the cross sectional drawing of the attachment arrangement 400 of Fig. 5 B that is installed in the opening 500.
The specific embodiment
Fig. 1 shows the rotor craft 100 according to an illustrative embodiments.Rotor craft 100 is characterised in that: rotor system 110, blade 120, fuselage 130, take-off and landing device 140 and empennage 150.Rotor system 110 can make blade 120 rotations.Rotor system 110 can comprise for the gradient of optionally controlling each blade 120 in order to optionally control the control system of direction, thrust and the lift of rotor craft 100.Fuselage 130 is represented the body of rotor crafts 100 and can be attached to rotor system 110 so that rotor system 110 and blade 120 can move fuselage 130 by air.Take-off and landing device 140 is when rotor craft 100 lands and/or at the static rotor craft 100 that supports on the ground the time of rotor craft 100.The tail-section of empennage 150 expression aircraft and being characterized as comprise rotor system 110 and blade 120 ' parts.Blade 120 ' the torque that is produced by rotor system 110 and blade 120 with opposing along the thrust of the direction identical with the hand of rotation of blade 120 can be provided.The teaching that relates to rotor system described herein of some embodiment is applicable to rotor system 110 and/or other rotor system, for example other tilting rotor system and lifting airscrew system.It is to be further understood that the teaching of rotor craft 100 applicable to the aircraft except rotor craft, for example aircraft and unmanned vehicle have only been enumerated several examples.
The aviator of rotor craft may be required to carry out various manipulations near ground or other obstacle.The example of this manipulation can comprise take-off and landing.In these examples, for the aviator importantly: have to the rotor craft region in front and when near operation ground and be close in the two the observability of ground of rotor craft during rotor craft.
Usually, rotor craft is equipped with two windows so that these visual angles to be provided: the front windshield of the observability of rotor craft front is provided, and the independent underlying window that the observability on the ground that is close in rotor craft is provided when operating rotor craft on the ground.This independent underlying window is arranged near shank/foot of aviator usually so that the visual angle that is close in the ground of rotor craft when operating rotor craft on the ground to be provided.
But this independent underlying window can cause a plurality of problems.At first, the aviator may not have the sight line clearly of looking around by the underlying window.For example, stretcher, instrument carrier panel and aviator's shank and the foot ability that all can hinder the aviator to look around by the underlying window.In addition, if because underlying position of window when causing that the underlying window is broken to be taken place, the underlying window can cause the concern to safety.Especially, when rotor craft " forced landing " was in water, the underlying window may be broken and be caused broken glass and water to enter driving compartment at a high speed with danger.In addition, the underlying window can take the expensive real estate in the aircraft, and this is that then any parts all can not block its visual field because if the underlying window will keep its function.The residing finite space of underlying window is very valuable and can be applicable to other device such as floating equipment better.
Therefore, the teaching of some embodiment is recognized the ability of removing the underlying window from rotor craft.Especially, the teaching of some embodiment is provided by a kind of ability that can provide as the front windshield of both observabilities of lower area that arranges: rotor craft region in front and the ground that is close in rotor craft when near operation rotor craft ground.
For example, the front windshield that can provide as both observabilities of lower area is provided the rotor craft 100 of Fig. 1: rotor craft region in front and the ground that is close in rotor craft when near operation rotor craft ground.Fig. 2 A to Fig. 2 D shows the detailed view of nose of the rotor craft 100 of Fig. 1.Fig. 2 A shows block diagram, and Fig. 2 B shows lateral plan, and Fig. 2 C shows front elevation, and Fig. 2 D shows birds-eye view.
Shown in Fig. 2 A to Fig. 2 D, rotor craft 100 be characterised in that comprise two front windshields 200,200 '.Each front windshield 200/200 ' all be coated to from the front of body 130 side of body 130.In this example, the previous section of every front windshield all can provide the observability of rotor craft front region, and the lateral parts of every front windshield all can provide the observability that is close in the ground of rotor craft when near operation rotor craft ground.
In addition, remove front windshield 200,200 ' previous section and any cylindrical member between the lateral parts can increase front windshield 200,200 ' flexible and can improve front windshield 200 and 200 ' the bear ability that bird is hit.For example, the bump that front windshield 200/200 ' can bear bird is hit and and then can make this energy dispersal, and can not make the windscreen fragmentation owing to the big friction stress that the place, position that is attached to structure or cylindrical member at windscreen produces.
Fig. 3 shows the two-dimentional straight line visual field figure according to the shape of the windscreen 200 of an illustrative embodiments.The initial point of the chart of Fig. 3 is based on design eyespot 300.The design eyespot can represent to represent the design reference point of design attitude of aviator's eyes.Each aircraft all can have one or more design eyespots.For example, for each aviator and there is the design eyespot in Yan Douke, and each aviator can have a plurality of design eyespots (for example, scope of design or zone).
Can be at least in part with respect to the aircraft component of this design eyespot design such as windscreen and instrument carrier panel.For example, in some embodiments, this design eyespot can be represented for the best visible location to driving compartment inside and/or outside, and the optimum position that is used for visit aircraft instrument.Some aircraft manufacturers can be the aviator and are provided at the reference marker that uses when seat adjusted; Being intended that of these reference markers makes the aviator adjust seat so that aviator's eyes are in design eyespot place or approach the design eyespot.Although the example of Fig. 3 is with reference to the design eyespot, the teaching of some embodiment is recognized and can be used other reference point.In addition, although Fig. 3 designs eyespot 300 and can represent a plurality of design eyespots (for example, scope of design or zone) with reference to single design eyespot 300.
In the example of Fig. 3, windscreen 200,200 ' be to observe from the right side pilot seat of rotor craft 100 inside.Although Fig. 3 shows two-dimensional diagram, because the three-dimensional position of design eyespot 300 is positioned at the residing position of aviator (being like this according to design at least), the three-dimensional position of design eyespot 300 will be in aircraft inside away from windscreen 200 1 segment distances.
Can determine coordinate among Fig. 3 by the position of the design eyespot 300 in the reference rotor craft 100.Therefore, for example, those coordinates in the left side (left side of the design eyespot 300 Fig. 3) that the coordinate in the left side of design eyespot 300 is observed for aviator's the visual angle from the aviator.In addition, those coordinates on the right side (right side of the design eyespot 300 Fig. 3) observed for aviator's the visual angle from the aviator of the coordinate on the right side of design eyespot 300.In addition, windscreen 200 ' can be the mirror image of windscreen 200.Therefore, the coordinate on the right side of the design eyespot 300 of windscreen 200 be windscreen 200 ' design eyespot 300 ' the coordinate in left side.
In the example of Fig. 3, windscreen 200 comprises the coordinate that is positioned at and at first at second, wherein first (right side) side with respect to design eyespot 300 is positioned at above and 40 degree of 20 degree, and second is positioned at following and 40 degree of 30 degree with respect to design eyespot 300 with first same side (right side).As shown in Figure 3, windscreen 200 is included in the trnaslucent materials (for example glass) that extends continuously between first and second.
In addition, the exemplary windscreen 200 of Fig. 3 can comprise from first and second trnaslucent materials that extends to other coordinate continuously.For example, in some embodiments, the opposite side with first and second (left side among Fig. 3) that trnaslucent materials extends to continuously with respect to design reference point is positioned at above and 40 points of spending of 20 degree.According to another example, in some embodiments, trnaslucent materials extends to continuously and is positioned at the points of four ten degree above and four ten degree with respect to design reference point with and second same side (right side among Fig. 3) at first.According to another example, in some embodiments, trnaslucent materials extends to continuously and is positioned at the points of five ten degree following and five ten degree with respect to design reference point with and second phase the same side (right side among Fig. 3) at first.According to another example, in some embodiments, the opposite side with first and second (left side among Fig. 3) that trnaslucent materials extends to continuously with respect to design reference point is positioned at above and 40 points of spending of 35 degree.According to another example, in some embodiments, the opposite side with first and second (left side among Fig. 3) that trnaslucent materials extends to continuously with respect to design reference point is positioned at following and 20 points of spending of ten degree.
Although the different embodiments of windscreen 200 can comprise different coordinates, but the teaching of some embodiment is recognized windscreen 200 and can be had limited size, still provides as both observabilities of lower area simultaneously: rotor craft region in front and the ground that is close in rotor craft when near operation rotor craft ground.For example, windscreen 200 is not the glass cover (for example being present on the clock 47) that centers on driving compartment fully.On the contrary, windscreen 200 is by the framework gauge of body 130 and be attached to the framework of body 130 regularly.
Therefore, in the example of Fig. 3, a plurality of coordinates can drop on outside the border of windscreen 200.For example, as shown in Figure 3, windscreen 200 does not comprise that an opposite side with and (left side among Fig. 3) that extends to continuously with respect to design reference point is positioned at more than 20 degree and the trnaslucent materials of the points of 70 degree at first at second.On the contrary, this coordinate is occupied by the central cylindrical member 135 with windscreen 200 and windscreen 200 ' separate.
As mentioned above, windscreen 200 and 200 ' be attached to body 130.But, windscreen 200,200 ' be attached to body 130 can be made the risk of windscreen 200,200 ' broken.For example, in some embodiments, windscreen 200,200 ' the have thermal expansion coefficient that is higher than body 130.In this example, temperature traverse can cause windscreen 200 and/or 200 ' break.In another example, windscreen 200,200 ' may suffer external loading (for example, hitting from bird), and when power is delivered to body 130 windscreen 200,200 ' break.Therefore, the teaching of some embodiment recognizes, when preventing het expansion and body 130 and external loading isolated, with windscreen 200,200 ' the be attached to ability of body 130.
Fig. 4 A to Fig. 4 D shows the attachment arrangement 400 according to an illustrative embodiments.Fig. 4 A shows the assembling side elevation of attachment arrangement 400, and Fig. 4 B shows the assembling birds-eye view of attachment arrangement 400, and Fig. 4 C shows the cross-sectional side view of attachment arrangement 400, and Fig. 4 D shows the lateral plan of taking apart of attachment arrangement 400.As will be described in more detail below, in operation, can use attachment arrangement 400 with windscreen 200,200 ' be attached to body 130.
Shown in Fig. 4 A to Fig. 4 D, attachment arrangement 400 is characterised in that and comprises three major parts: fastener part 410, elastic load separator 420 and bolt 430.Fastener part 410 has the opening that passes wherein, is configured to admit bolt 430.Fastener part 410 can be by not only comprising metal but also comprising that any suitable material of non-metallic material makes.In some embodiments, fastener part 410 is the plastics such as thermoplastic plastic or thermosetting plastic.In an illustrative embodiments, fastener part 410 is carbon fiber.In some embodiments, fastener part 410 is formed by injection molding process.For example, fastener part 410 uses the nylon 6-6 complex that contains 40% glass fibre to come injection mo(u)lding.
As shown in the example of Fig. 4 C, fastener part 410 can comprise head 412 and body 414.In some embodiments, head 412 can be configured to make windscreen 200 and body 130 to be held against, and body 414 can be configured to be placed in the opening in the windscreen 200.
Elastic load separator 420 is around fastener part 410 and fastener part 410 is separated with windscreen 200.Elastic load separator 420 can help to handle the power of transmitting between body 130 and windscreen 200.For example, elastic load separator 420 can help shearing stress distribution on big and softer zone.In addition, elastic load separator 420 can help to prevent windscreen 200 suffer the vibration of body 130 or prevent windscreen 200 will such as since the power the power that bird is hit or het expansion produces be applied on the body 130.The teaching of some embodiment is recognized the fault that can reduce windscreen 200 is handled and/or limited in the transmission of the power between body 130 and windscreen 200.
Shown in the example of Fig. 4 C, elastic load separator 420 can comprise head 422 and body 424.In some embodiments, head 422 can separate head 412 with windscreen 200, and body 424 can separate body 414 with windscreen 200.
Elastic load separator 420 can be made by any suitable material.In some embodiments, elastic load separator 420 is formed by elastomeric material.The material such as poly-mer of elastomeric material for having visoelasticity (being commonly called as " elasticity ") performance.One of elastomeric material is exemplified as rubber.When comparing with other material, elastomeric material has low Young's modulus and high yield strain usually.Elastomeric material is generally the thermoset material with long polymer chain crosslinked during solidifying (that is sulfuration).Elastomeric material can absorb energy between compression period.
Bolt 430 is extensible to be passed the opening of fastener part 410 and fastener part 410 is attached to body 130.Fastener part 410 is attached to body 130 can limits windscreen 200 against body 130, thereby got rid of the excessive gripping power that windscreen is broken.In some embodiments, the opening of bolt 430 being arranged to pass in the fastener part 410 produces the torque that is applied on the fastener part 410.For example, bolt 430 can be screwed in the fastener part 410.As another example, when the head of bolt 430 during near head 414, bolt 430 can be applied to torque on the fastener part 410.
Fig. 5 A, Fig. 5 B and Fig. 5 C show according to the attachment arrangement 400 in the opening that is installed in windscreen 200 500 of an illustrative embodiments.Fig. 5 A shows the block diagram of windscreen 200, and Fig. 5 B shows the detail perspective view of the attachment arrangement 400 that is installed in the opening 500, and Fig. 5 C shows the cross sectional drawing of the attachment arrangement 400 of Fig. 5 B that is installed in the opening 500.
In the example of Fig. 5 A to Fig. 5 C, each opening 500 is all greater than the body 424 of elastic load separator 420.In these examples, opening 500 is enough to greater than attachment arrangement 400 so that have the gap between the inside face of elastic load separator 420 and opening 500 when attachment arrangement 400 is located via opening 500.The teaching of some embodiment is recognized provides the space can help to prevent from damaging windscreen 200 between elastic load separator 420 and opening 500.For example, between elastic load separator 420 and opening 500, provide the space can make windscreen 200 response het expansions and external force (for example, bird is hit) and crooked and displacement.
By this way, windscreen 200 can be attached to body 130 regularly and needn't be attached to body 130 rigidly.On the contrary, attachment arrangement 400 prevents that windscreen 200 from removing from body 130, moves freely but windscreen 200 still can respond external force and bending.
Shown in Fig. 5 C, the head 412 of the head 422 of elastic load separator 420 and windscreen 200 and fastener part 410 all physics contacts.The teaching of some embodiment recognizes that the head 422 of elastic load separator 420 can provide and prevent that chip and/or moisture from passing through the sealing of opening 500.For example, shown in Fig. 5 C, head 422 comprises the material that the head 412 to windscreen 200 and fastener part 410 seals.
Under the situation that does not depart from scope of the present invention, can make modification, replenish or omit the system described in the literary composition and device.The parts of system and device can in conjunction with or separate.In addition, the operation of system and device can by more, still less or other parts carry out.That described method can comprise is more, still less or other step.In addition, step can any suitable order be carried out.
Although described and shown some embodiments in detail, what will recognize that is under the situation that does not depart from the spirit and scope of the present invention that are defined by the following claims, can to substitute and retrofit.
Any reader understanding's claims for any patent of assisting Patent Office and authorizing based on the application, the applicant wishes to be pointed out that, the applicant does not wish that there be the 6th section that quotes 35U.S.C. § 112 from it in the appended claims each in the applying date, unless in specific claim, clearly used word " be used for ... device " or " be used for ... step ".

Claims (20)

1. rotor craft comprises:
Body;
Power drive system, the axle drive shaft that described power drive system is attached to described body and comprises propulsion source and be attached to described propulsion source;
Hub portion;
Rotor blade, described rotor blade are attached to described hub portion;
Front windshield; And
A plurality of attachment arrangements, described a plurality of attachment arrangements are attached to described body with described front windshield, and each attachment arrangement comprises:
The fastener part, described fastener partly has the opening that passes wherein;
Bolt, described bolt extend through the described opening of described fastener part and described fastener partly are attached to described body; And
Elastic load separator, described elastic load separator center at least a portion of described fastener part and described fastener part are separated with described front windshield.
2. rotor craft according to claim 1, wherein, described front windshield comprises a plurality of windscreen openings, each attachment arrangement is positioned to pass a windscreen opening in described a plurality of windscreen opening.
3. rotor craft according to claim 2, wherein, each windscreen opening is enough to greater than each attachment arrangement so that when each attachment arrangement is positioned to pass windscreen opening in described a plurality of windscreen opening, have the gap between the inside face of described elastic load separator and described windscreen opening.
4. rotor craft according to claim 2, wherein:
Described fastener portion branch comprises head and body, and described body is configured to be oriented to pass a windscreen opening in described a plurality of windscreen opening; And
Described elastic load separator comprises head and body, the described head configuration of described elastic load separator becomes to make the described head of described fastener part to separate with described front windshield, and the described body of described elastic load separator is configured to make the described body of described fastener part to separate with the inside face of described windscreen opening.
5. rotor craft according to claim 4, wherein, the described head of the described head of described elastic load separator and described fastener part and described front windshield all physics contact.
6. rotor craft according to claim 4, wherein, the described head configuration of described elastic load separator becomes to provide to prevent that at least some external debris and moisture are by the sealing of each windscreen opening.
7. rotor craft according to claim 1, wherein:
The described opening that passes described fastener part arranges described bolt and causes torque to be applied on the described fastener part; And
Described fastener part can be operable at least a portion and the described front windshield that make described torque and isolate.
8. rotor craft according to claim 1, wherein, described fastener partly is plastics.
9. rotor craft according to claim 1, wherein, described fastener partly is thermosetting plastic.
10. rotor craft according to claim 1, wherein, described fastener partly is carbon fiber.
11. a windscreen attachment arrangement that is used for windscreen is attached to body comprises:
The fastener part, described fastener partly has the opening that passes wherein;
Bolt, described bolt are configured to extend through the described opening of described fastener part and described fastener partly are attached to described body; And
The elastic load separator, described elastic load separator separates with described windscreen around at least a portion of described fastener part and with described fastener part.
12. windscreen attachment arrangement according to claim 11, wherein, described windscreen comprises the windscreen opening, and described windscreen attachment arrangement is configured to pass described windscreen opening location.
13. windscreen attachment arrangement according to claim 12, wherein, described windscreen opening is enough to greater than described attachment arrangement so that when described attachment arrangement passes described windscreen opening location, have the gap between the inside face of described elastic load separator and described windscreen opening.
14. windscreen attachment arrangement according to claim 12, wherein:
Described fastener portion branch comprises head and body, and described body is configured to pass described windscreen opening location; And
Described elastic load separator comprises head and body, the described head configuration of described elastic load separator becomes to make the described head of described fastener part to separate with described windscreen, and the described body of described elastic load separator is configured to make the described body of described fastener part to separate with the inside face of described windscreen opening.
15. windscreen attachment arrangement according to claim 14, wherein, the described head of the described head of described elastic load separator and described fastener part and described windscreen all physics contact.
16. windscreen attachment arrangement according to claim 14, wherein, the described head configuration of described elastic load separator becomes to provide to prevent that at least some external debris and moisture are by the sealing of described windscreen opening.
17. windscreen attachment arrangement according to claim 11, wherein:
The described opening that passes described fastener part arranges described bolt and causes torque to be applied on the described fastener part; And
Described fastener part can be operable at least a portion and the described windscreen that make described torque and isolate.
18. windscreen attachment arrangement according to claim 11, wherein, described fastener partly is plastics.
19. windscreen attachment arrangement according to claim 11, wherein, described fastener partly is thermosetting plastic.
20. windscreen attachment arrangement according to claim 11, wherein, described fastener partly is carbon fiber.
CN201310051378.XA 2012-02-10 2013-02-16 For rotorcraft front windshield attachment arrangement and there is the rotor craft of this device Expired - Fee Related CN103241362B (en)

Applications Claiming Priority (4)

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US201261633410P 2012-02-10 2012-02-10
US61/633,410 2012-02-10
US13/744,484 2013-01-18
US13/744,484 US9038952B2 (en) 2012-02-10 2013-01-18 Attachment devices for rotorcraft front windshield

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CN103241362A true CN103241362A (en) 2013-08-14
CN103241362B CN103241362B (en) 2015-09-02

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EP (1) EP2626292B1 (en)
CN (1) CN103241362B (en)
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US20130206908A1 (en) * 2012-02-10 2013-08-15 Bell Helicopter Textron Inc. Rotorcraft Front Windshield

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EP2626292B1 (en) 2015-06-03
US20130206911A1 (en) 2013-08-15
US9038952B2 (en) 2015-05-26
CA2804324A1 (en) 2013-08-10
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CA2804324C (en) 2015-09-15
CN103241362B (en) 2015-09-02

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